By Olivia Witthun, DNR Urban Forestry Coordinator, Plymouth, firstname.lastname@example.org, 414-750-8744
Things just keep getting drier and it seems like there is no end in sight. The trees are thirsty, and they need your help!
Watering Newly Planted Trees
Newly planted trees need extra watering until they are established. The amount of water depends on tree size and on your soil type (sandy versus clay).
- 1-2 weeks after planting: water daily.
- 3-12 weeks after planting: water every 2 to 3 days.
- After 12 weeks, water weekly until roots are established.
- Deep watering is best. Try to get the soil wet to a depth of at least 6 inches.
- Any trees you’ve planted in the last 2-3 years likely need to be watered.
- Established trees are hurting too, so water where you can. (These trees need about an inch of water per week.)
- Organic mulches, like wood chips, help retain moisture and keep roots cool.
Additional Watering Resources
- Check out the current drought conditions in our state at https://www.drought.gov/states/wisconsin. Use the dropdown menu at the bottom of the map for county-specific information.
- Take a look at this past DNR newsletter article about watering your trees: https://forestrynews.blogs.govdelivery.com/2019/07/31/tree-watering-a-simple-act-a-science-and-an-art-but-bottom-line-all-trees-need-water-even-in-autumn/.
- The Tree Owner’s Manual contains watering instructions on page 13: https://usfs-public.app.box.com/v/TreeOwnersManual. It’s short and simple. Check out the rest of the publication too. It has a ton of great information!
- The University of Minnesota Extension has some great resources on watering:
- Watering Newly Planted Trees: https://extension.umn.edu/planting-and-growing-guides/watering-newly-planted-trees-and-shrubs
- Watering Established Trees: https://extension.umn.edu/planting-and-growing-guides/watering-established-trees-and-shrubs#how-much-water-to-use-1261761
- Video on watering newly planted trees, rules of thumbs, plus devices with Dr. Gary Johnson: https://www.youtube.com/watch?v=v7E2UQin5rw
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